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Neue Aspekte der Pathologie des Nierenzellkarzinoms

New aspects of the pathology of renal cell cancer

  • Leitthema
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Zusammenfassung

Die neuen Behandlungsmöglichkeiten für Nierenzellkarzinome haben das Interesse an der Histogenese und den molekularen Veränderungen von Nierentumoren erheblich verstärkt. Die aktuelle Klassifikation der Nierentumoren beruht auf spezifischen molekularen Veränderungen und charakteristischen biologischen Eigenschaften. Es wurden in den letzten Jahren mehrere neue Tumortypen identifiziert, deren Kenntnis erheblichen Einfluss auf die Auswahl der Behandlungsstrategien hat. In der vorliegenden Übersichtsarbeit wird die aktuelle Nomenklatur der Nierenneoplasien unter besonderer Berücksichtigung neuer Nierentumortypen diskutiert. Die Kenntnis von Xp11-Translokationskarzinomen und Nierentumoren mit dominanter Zystenbildung ist diagnostisch relevant. Bestimmte Genotyp-Phänotyp-Korrelationen haben zunehmenden Einfluss auf die Auswahl der Therapieverfahren und die Einschätzung der Prognose. Gleichzeitig führt eine umfangreichere pathologisch-anatomische Aufarbeitung von Nephrektomiepräparaten unter besonderer Berücksichtigung des Nierenhilus zu einer korrekteren TNM-Stadienklassifikation mit genauerer Prognosevorhersage mit sich.

Abstract

New treatment options for renal cell cancer have increased the interest in the histogenesis and in molecular alterations of renal tumors. The current WHO classification of renal cancer is based on specific molecular alterations and characteristic biologic behavior. During recent years novel tumor types have been identified with immediate impact for the selection of new treatment modalities. In this review the current classification of renal cancer with special emphasis on novel renal tumor types will be discussed. Knowledge of Xp11 translocation carcinomas and renal tumors with characteristic cyst formation is diagnostically relevant. In addition this review focuses on reassessing the current TNM staging system for renal cell cancer. Retrospective studies have shown the relevance of renal sinus invasion for stage evaluation.

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Moch, H. Neue Aspekte der Pathologie des Nierenzellkarzinoms. Onkologe 16, 131–139 (2010). https://doi.org/10.1007/s00761-009-1755-4

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